gistfile1.txt

a1:~/1# cat a.c 
/* localtime example */
#include <stdio.h>      /* puts, printf */
#include <time.h>       /* time_t, struct tm, time, localtime */

int main ()
{
  time_t rawtime;
  struct tm * timeinfo;

  time (&rawtime);
  timeinfo = localtime (&rawtime);
  printf ("Current local time and date: %s", asctime(timeinfo));

  return 0;
}

a1:~/1# ./a.out 
Current local time and date: Mon Jun 23 11:36:34 2014